World’s grain prices depend on more than just wealth

Indeed, the global population could double by the end of the century, stoking the old Malthusian cry that we will not be able to provide enough to go around. Conventional wisdom tells us that grain price rallies during the past few years have been caused by concerns over a rising population and rising wealth in the developing world.
As people become richer, they eat more meat, and livestock needs significant amounts of grain to fatten up………………………………………..Full Article: Source